From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: Christoph Lameter <clameter@sgi.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
mingo@redhat.com, linux-ia64@vger.kernel.org
Subject: Re: [PATCH] SLUB use cmpxchg_local
Date: Tue, 04 Sep 2007 20:02:42 +0000 [thread overview]
Message-ID: <20070904200242.GB8157@Krystal> (raw)
In-Reply-To: <Pine.LNX.4.64.0708271811200.10344@schroedinger.engr.sgi.com>
* Christoph Lameter (clameter@sgi.com) wrote:
> Measurements on IA64 slub w/per cpu vs slub w/per cpu/cmpxchg_local
> emulation. Results are not good:
>
Hi Christoph,
I tried to come up with a patch set implementing the basics of a new
critical section: local_enter(flags) and local_exit(flags).
Can you try those on ia64 and tell me if the results are better ?
See the 2 next posts...
Mathieu
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2007-09-04 20:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1188197539.6114.426.camel@twins>
[not found] ` <Pine.LNX.4.64.0708271237580.5056@schroedinger.engr.sgi.com>
[not found] ` <20070827202203.GB5653@Krystal>
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[not found] ` <Pine.LNX.4.64.0708271401070.6435@schroedinger.engr.sgi.com>
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[not found] ` <Pine.LNX.4.64.0708271510020.8783@schroedinger.engr.sgi.com>
[not found] ` <20070827222715.GA16982@Krystal>
2007-08-28 1:26 ` [PATCH] SLUB use cmpxchg_local Christoph Lameter
2007-08-28 12:07 ` Mathieu Desnoyers
2007-08-28 19:42 ` Christoph Lameter
2007-09-04 20:02 ` Mathieu Desnoyers [this message]
2007-09-04 20:03 ` [PATCH] local_t protection (critical section) Mathieu Desnoyers
2007-09-04 20:04 ` [PATCH] slub - Use local_t protection Mathieu Desnoyers
2007-09-04 20:45 ` Christoph Lameter
2007-09-05 13:03 ` Mathieu Desnoyers
2007-09-05 13:04 ` [PATCH] local_t protection (critical section) Mathieu Desnoyers
2007-09-12 22:33 ` Christoph Lameter
2007-09-12 23:00 ` Mathieu Desnoyers
2007-09-05 13:06 ` [PATCH] slub - Use local_t protection Mathieu Desnoyers
2007-09-12 22:28 ` Christoph Lameter
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